Panasonic KX-TCD412NZM Service Manual Download Page 84

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Note:
(*2)When replacing IC2, data need to be written to it with PQZZTCD410NZ.

Ref. No.

Part No.

Part Name & Description

Remarks

PCB100

PQWP1D410NZR

MAIN P.C.BOARD ASS'Y (RTL) (for KX-TCD412NZM)

PCB100

PQWP1D142NZR

MAIN P.C.BOARD ASS'Y (RTL) (for KX-A142NZM)

(ICs)

IC1

C2HBAK000003

IC2

PQWI1D410NZR

IC (for KX-TCD412NZM) (*2)

IC2

PQWI1D142NZR

IC (for KX-A142NZM) (*2)

IC3

J3FKK0000003

(TRANSISTORS)

PQVTFDN335N

TRANSISTOR(SI)

B1ADGE000004

TRANSISTOR(SI)

UN5216

TRANSISTOR(SI)

(DIODES)

B0JCME000035

DIODE(SI)

MA2Z74800L

DIODE(SI)

MA83900ML

DIODE(SI)

MA2Z74800L

DIODE(SI)

MA2Z74800L

DIODE(SI)

(COILS)

G1A470L00001

COIL

PQLQR4D4R7K

COIL

G1C100MA0072

COIL

G1C100MA0072

COIL

PQLQR2M5N6K

COIL

(RESISTORS)

ERJ3GEYJ222

2.2K

ERJ8BQJR30

0.3

ERJ3GEYJ560

ERJ3GEYJ103

10K

ERJ3GEYJ331

330

ERJ3GEYJ332

3.3K

ERJ3GEYJ331

330

ERJ3GEYJ331

330

R11

ERJ3GEY0R00

R17

ERJ3GEY0R00

R18

ERJ3GEYJ330

R19

ERJ3GEYJ153

15K

R20

ERJ3GEY0R00

R21

ERJ6RSJR10V

0.1

R22

ERJ3GEY0R00

R23

ERJ3GEYJ2R2

2.2

R24

ERJ3GEY0R00

(CAPACITORS)

ECUV1A475KB

4.7

ECUV1C104KBV

0.1

ECUV1C104KBV

0.1

ECST0JY475

4.7

ECUV1H100DCV

10P

ECUV1C104KBV

0.1

Summary of Contents for KX-TCD412NZM

Page 1: ...ORDER NO KM40310263C3 Telephone Equipment KX TCD412NZM KX A141NZM KX A142NZM Digital Cordless Phone Metallic Gray Version for New Zealand SPECIFICATIONS 1 ...

Page 2: ...We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on the PCB For service and repair work we suggest using the same type of solder although with some precautions standard Pb solder can also be used Caution PbF solder ha...

Page 3: ... double layered boards please check the component side for excess which may flow onto the opposite side See the figure below 1 1 Suggested PbF Solder There are several types of PbF solder available commercially While this product is manufactured using Tin Silver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu or Tin Zinc and Bismuth Sn Zn Bi Please check the manufac turer s specific inst...

Page 4: ...to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic parts boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch IC or LSI pins with bare fingers 3 CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommendenced by...

Page 5: ...ng the battery icon is as shown below The handset which power is off will be turned on automatically when it is placed on the base unit In normal use the handset and the base unit should be powered on at all times Note for Service The battery strength may not be indicated correctly if the battery is disconnected and connected again even after it is fully charged In that case by recharging the batt...

Page 6: ...e repeatedly removed and replaced If battery life is shortened then please check that battery and charge terminals are clean For maximum battery life it is recommended that the handset is not recharged until battery icon flashes 4 4 Replacing the Batteries If the icon flashes after a few telephone calls even when the handset batteries have been fully charged 2 batteries must be replaced Charge new...

Page 7: ... stop charging even if the handset is on the cradle Do not use non rechargeable batteries If non rechargeable batteries are fitted and start charging it may cause the leakage of the battery electrolyte Please use only Panasonic P03P Ni MH or P03H Ni Cd batteries 5 LOCATION OF CONTROLS 5 1 Base Unit 5 2 Handset 7 ...

Page 8: ...6 SETTINGS 6 1 Connection 6 1 1 Base Unit Plug in the AC adaptor and the telephone line cord in order 1 2 3 4 8 ...

Page 9: ...uring a power failure We therefore recommend you use a standard telephone and T Adaptor to connect this Digital Cordless Phone to the line Your Panasonic Sales Shop can offer you more information about connection possibilities 6 1 2 Charger Unit The AC adaptor must remain connected at all times It is normal for the adaptor to feel warm during use 6 2 Symbols Used in This Service Manual 9 ...

Page 10: ...6 3 PIN Code 6 3 1 Base Unit To exit the operation press any time For Service Hint If the current 4 digit PIN is forgotten press and you will be able to enter new PIN 6 3 2 Handset 10 ...

Page 11: ...o handset registered to the base Need to register another handset to the base to confirm if the unit works properly after repair When original handset has broken and customer purchased a new one if customer forget base PIN customer cannot register the new handset and may ask to reset the PIN 6 3 3 3 Remedy Preparation Refer to JIGs and PC Connection 1 Solder a pin or lead wire to GND SDA and SCLK ...

Page 12: ...he base unit is reset the Caller ID list will clear To exit the operation press any time 1 The factory preset is 0000 Base Unit Initial Settings Function Initial Setting Remarks selectable options Ringer Mode All Handsets All Handsets Specific Handset Number of Rings 3 Up to 6 rings Flash Timing 600 msec 100 msec 600 msec Pause Timing 3 seconds 3 seconds 5 seconds Call Restricted Handsets All Clea...

Page 13: ... Tone Pattern 1 20 patterns Handset Alarm Tone Pattern 1 20 patterns Key Tone ON ON OFF Call Waiting Tone ON ON OFF Range Warning Alarm OFF OFF ON Battery Low Alarm ON ON OFF Standby Mode Display Clock Clock OFF Base No Handset Talk Mode Display Length of the Call Talk Time Phone No Display Language English 10 languages Call BAR OFF OFF ON Direct Call Mode OFF OFF ON Direct Call Number Clear Up to...

Page 14: ...etails If your unit is connected to a PBX pressing RECALL allows you to access some features of your host PBX such as transferring an extension call 6 7 Dialling Pause for PBX line long distance service users A dialling pause is used when a pause in the dialling of the phone number is necessary using a PBX or accessing a long distance service For example when 9 line access number is dialled follow...

Page 15: ... selected phone numbers You can assign up to 10 call restriction numbers up to 8 digits If you dial a restricted number the call does not connect and restricted number flashes To exit the operation press any time 1 The factory preset is 0000 2 The selected handset number flashes 6 9 Cancelling Call Restricted Handset s 15 ...

Page 16: ... handset s will stop flashing 6 10 Call BAR On Off Call Prohibition On Off You cannot make any dialling if call BAR is on To exit the operation press any time 1 The factory preset is 0000 2 If is selected is dispalayed Refer to Handset Display 6 11 Selecting the Display Language 16 ...

Page 17: ...git Handset PIN UP OK All handset setting will be reset to their initial settings however the Phonebook data will be saved 6 12 Select Flash Timing You can select the flash timing 100 msec milliseconds or 600 msec depending on your PBX requirements To exit the operation press any time 1 The factory preset is 0000 For Service Hint Refer to Flash Time setting 7 DISPLAY 7 1 Handset Display 17 ...

Page 18: ... telephone outlet and connect a known working telephone in its place If the known working telephone still has problems then please contact the customer service department of your Network provider If it operates correctly then the problem is likely to be a fault in your apparatus In this case contact your supplier for advice Your Network provider may charge you if they attend a service call that is...

Page 19: ...Cross Reference Power On Off Call BAR On Off Call Prohibition On Off Call Restriction Key Lock PIN Code 8 OPERATIONS 8 1 Power On Off 19 ...

Page 20: ...cleared to the left then enter numbers 8 3 Answering a Call Each ringer will start ringing with lower volume then gradually increase the volume when receiving a call 1 You can also answer a call by pressing any dialling button INTERCOM or 8 4 Setting the Clock Date After a mains power failure the clock needs to be reset Ensure that icon is not flashing 20 ...

Page 21: ...ored with a name in the phonebook the display will show the caller s name 8 5 1 Storing a Caller Information To exit the operation press any time 1 If you need correction press RIGHT or LEFT to move cursor then clear a character by pressing CLEAR and or enter characters Characters are cleared or added to the left of the flashing character To enter characters see Character Selection below 2 To cont...

Page 22: ... To exit the operation press any time 22 ...

Page 23: ...eed to clear or add more than one character repeat the steps from 8 5 To continue clearing another caller information repeat the steps from 2 8 5 2 Storing the Phone Number into the Phonebook When Pre dialling To exit the operation press any time 1 If you need correction press CLEAR Digit is cleared to the left then enter numbers 8 5 3 Storing the Number from the Redial Caller List into the Phoneb...

Page 24: ...u can assign the dialling buttons 1 through 9 as hot keys You can choose 9 phone numbers from the phonebook To exit the operation press any time 1 If there is no item stored in the phonebook the display shows 2 The number is flashing if the dialling button is already assigned as a hot key 3 Phonebook registration will be remained even hot key registration is cleared 9 DISASSEMBLY INSTRUCTIONS 9 1 ...

Page 25: ...emove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 9 2 Handset Shown in Fig To Remove Remove 3 Rear Cabinet Screws 2 10 B 2 4 Main P C Board Screw 2 8 C 1 Screws 2 8 D 2 Main P C Board 9 3 Charger Unit 25 ...

Page 26: ...hown in Fig To Remove Remove 5 Lower Cabinet Screws 2 6 14 E 2 6 Main P C Board Main P C Board 10 ASSEMBLY INSTRUCTIONS 10 1 Warning When Constructing the Base Unit 11 TROUBLESHOOTING GUIDE Flow Chart 26 ...

Page 27: ... Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception SIGNAL ROUTE 11 1 Check Power 11 1 1 Base Unit Is the AC Adaptor inserted into AC outlet Check AC Adaptor s specification Cross Reference 27 ...

Page 28: ...BIC is IC2 11 1 2 Handset Cross Reference Power Supply Circuit Reset Circuit Note BBIC is IC1 11 2 Check Battery Charge 11 2 1 Base Unit Cross Reference Charge Circuit 11 2 2 Handset Cross Reference Check Power Charge Circuit 28 ...

Page 29: ...Note BBIC is IC1 11 2 3 Charger Unit Cross Reference Power Supply Circuit 11 3 Check Link 11 3 1 Base Unit Cross Reference 29 ...

Page 30: ...wer Supply Circuit Adjustment Base Unit 11 3 2 Handset Cross Reference Power Supply Circuit Adjustment Handset 11 4 Check Handset Transmission Cross Reference SIGNAL ROUTE 11 5 Check Handset Reception 30 ...

Page 31: ... SIGNAL ROUTE 11 6 Check Caller ID Cross Reference SIGNAL ROUTE 11 7 Bell Reception 11 7 1 Base Unit Note BBIC is IC2 11 7 2 Handset Cross Reference Telephone Line Interface Check Link Note BBIC is IC1 12 CHECK PROCEDURE BASE UNIT 12 1 Preparation 31 ...

Page 32: ... Oscilloscope 12 1 2 JIGs and PC EEPROM serial JIGs 1 I2C PCB PQZZTCD705BX 2 RS232C cable PQZZ1CD705BX 3 Clip cable PQZZ2CD705BX 4 DC cable PQZZ3CD705BX PC which runs in DOS mode Batch file for setting PQZZTCD410NZ 12 2 PC Setting 12 2 1 Connections 12 2 2 PC Setting 1 Open a window of MS DOS mode from the start up menu 2 Change a directory to the one with RTX_COM contained 3 Type SET_COM 1 from t...

Page 33: ...ess and 45 is data to be written InitBsPIN bat Initial Base PIN to 0000 Type initBsPIN 13 CHECK PROCEDURE HANDSET 13 1 Preparation 13 1 1 Equipment Required DECT tester Rohde Schwarz CMD 60 is recommended Frequency counter it must be precise to be able to measure 1Hz precision 4ppm Hewlett Packard 53131A is recommended DC power it must be able to output at least 1A current under 2 4V for Handset 9...

Page 34: ... EEPROM Type rdeeprom 00 00 FF and the data from address 00 00 to FF is read out readid Read ID RFPI Type readid and the registered ID is read out writeid Write ID RFPI Type writeid 00 18 E0 0E 98 and the ID 0018 E0 0E 98 is written setfreq adjust Frequency of RFIC Type setfreq nn nn Getchk Read checksum Type getchk Wreeprom write eeprom Type wreeprom 01 23 45 01 23 is address and 45 is data to be...

Page 35: ...itivity of base unit is low with noise Make confirmation in item The transmit level is high or low Make adjustments in item The reception level is high or low Make adjustments in item The unit does not link Make confirmation in item The unit cannot charge Make confirmation in item Refer to Adjustment Base Unit 14 1 Adjustment Base Unit Please follow the items below when BBIC or EEPROM are replaced...

Page 36: ...ustment TP1 1 Execute the command deactmac 2 Execute the command conttx 3 Input Command rdeeprom 00 00 02 then you can confirm the current value 4 Adjust the frequency of TP1 executing the command setfreq 00 xx where xx is the value so that the reading of the frequency counter is 10 368000MHz 3Hz IC2 IC3 L1 C48 X1 C32 F Hookswitch Check with DC Characteristics 1 Connect J1 Telephone Socket to Tel ...

Page 37: ... R32 C2 R23 C80 C1 C13 Q6 R22 R21 R19 R2 C12 D2 C1 C2 R77 D3 R12 Q2 R7 R8 R9 R10 H Transmitted Power Confirmation Remove the Antenna before starting step from 1 to 4 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Traffic Channel 5 Traffic Slot 4 Mode Loopback PMID 0000 2 Execute the command testmode 3 Initiate connection from DECT tester set up connect 4 Confirm that the NTP val...

Page 38: ...djust the B Field Modulation if required Execute the command readmod and wrtmod xx where xx is the value IC2 IC3 L1 C43 C78 C7 C69 C48 C7 C66 C67 C7 C57 C73 L3 DA1 R66 R6 C55 C56 R7 R79 C54 C5 J Frequency Offset Confirmation Follow steps 1 to 3 of H above 4 Confirm that the frequency offset is 50kHz 50kHz IC2 IC3 L1 C43 C78 C7 C69 C48 C7 C66 C67 C7 C57 C73 L3 DA1 R66 R6 C55 C56 R7 R79 C54 C5 38 ...

Page 39: ...power to 88dBm 5 Confirm that the BER is 1000ppm IC2 IC3 L1 C43 C78 C7 C69 C48 C7 C66 C67 C7 C57 C73 L3 DA1 R66 R6 C55 C56 R7 R79 C54 C5 L Timing Confirmation Follow steps 1 to 3 of H above 4 Confirm that the Timing accuracy is 5 0ppm IC2 IC3 L1 C43 C78 C7 C69 C48 C7 C66 C67 C7 C57 C73 L3 DA1 R66 R6 C55 C56 R7 R79 C54 C5 39 ...

Page 40: ...SSI Level Confirmation Follow steps 1 to 3 of H above 4 Set DECT tester power to 88dBm 5 Execute the command readrssi 6 Confirm 29 returned value 3E hex IC2 IC3 L1 C43 C78 C7 C69 C48 C7 C66 C67 C7 C57 C73 L3 DA1 R66 R6 C55 C56 R7 R79 C54 C5 40 ...

Page 41: ...o 40mA 8 Connect DECT tester to Tel simulator 9 Input audio signal 200mVrms 1kHz tone to Tel simulator DECT tester setting Scramble On AF Gen to ADPCM Off AF Meter Input ADPCM AF Gen Frequency 1000Hz AF Gen Level 200mVrms 10 Confirm hearing tone 410mVrms 70mVrms 11 Adjust audio level if required Make sure current value using getmicgain And then execute the command setmicgain xx where xx is the val...

Page 42: ...AF Gen Level 30mVrms 9 Confirm hearing tone 880mVrms 150mVrms 10 Adjust audio level if required Make sure current value using getspkrgain And then execute the command setspkrgain xx where xx is the value 11 Confirm that the audio distortion at 600R of Tel simulator is 5 IC2 R32 C2 R23 C80 C1 C13 R22 R2 Q6 R18 R19 R20 C12 D2 C1 C2 R77 R16 D3 R12 Q2 R7 R8 R9 R10 Q3 IC3 L1 C43 C78 C75 C6 C48 C72 C6 C...

Page 43: ...Charge Contact 12 2W register between charge and charge 2 Measure and confirm voltage across the regigster is 2 7V 0 2V Note After the measuring sock up the solder of TP The connection of adjustment equipment are as shown in Adjustment Standard Charger Unit 14 4 Adjustment Standard Charger Unit When connecting the Simulator Equipments for checking please refer to below 14 4 1 Flow Solder Side View...

Page 44: ...em The reception sensitivity of base unit is low with noise Make confirmation in item Does not link between base unit and handset Make confirmation in item H N The reception level is high or low Make adjustments in item The transmit level is high or low Make adjustments in item Refer to Adjustment Handset 15 1 Adjustment Handset Please follow the items below when BBIC or EEPROM are replaced Items ...

Page 45: ...nd TP6 with current limit of PSU to 200mA 2 Confirm that the charge current is ON OFF 3 SW to decrease current limit of PSU to 100mA 4 Confirm that the charge current is stable IC1 D4 L4 L5 Q2 Q3 R6 D2 R22 C26 F1 R21 E Charge Detection OFF Confirmation 1 Stop supplying 6V to TP5 and TP6 2 Execute the command charge 3 Confirm that the returned value is 0x00 hex IC1 D4 L4 L5 Q2 Q3 R6 D2 R22 C26 F1 R...

Page 46: ...0 368000MHz 3Hz IC1 L3 C57 IC3 X1 C16 I Transmitted Power Confirmation TP15 Remove the Antenna before starting step from 1 to 5 1 Configure the DECT tester CMD60 as follows Setting Test mode PP RFPI 0102030405 Traffic Channel 5 Traffic Slot 4 Mode Loopback 2 Execute the command testmode 3 Execute the command regcmd60 4 Initiate connection from DECT tester 5 Confirm that the NTP value at A201 TP15 ...

Page 47: ...C57 C55 C5 C62 R23 R2 C63 C64 C6 L Sensitivity Receiver Confirmation Follow steps 1 to 4 of I above 5 Set DECT tester power to 88dBm 6 Confirm that the BER is 1000ppm IC1 IC3 C54 C66 C60 L3 C57 C55 C5 C62 R23 R2 C63 C64 C6 M Timing Confirmation Follow steps 1 to 4 of I above 5 Confirm that the Timing accuracy is 10ppm IC1 IC3 C54 C66 C60 L3 C57 C55 C5 C62 R23 R2 C63 C64 C6 47 ...

Page 48: ...ency 1000Hz AF Gen Level 50mVrms 8 Confirm hearing tone 300mV 250mV Just check Audio path 9 Confirm that the audio distortion with DECT tester is 5 IC1 C12 C3 R17 R20 C1 C11 D7 D6 IC3 C54 C6 C60 L3 C57 C55 C56 C6 R23 R24 C6 C64 C65 R1 P Transmit Audio Check and Confirmation TP15 1 Configure the DECT tester CMD60 as follows Setting Test mode FP Mode Normal RFPI 0102030405 2 Execute the command test...

Page 49: ...402 kHz div Adjustment Base Unit I Data type Fig31 Frequency Offset 40 kHz 40 kHz Adjustment Base Unit J RX Sensitivity 1000 ppm Adjustment Base Unit K Timing Accuracy 5 0 ppm Adjustment Base Unit L RSSI Level 0x34 hex A hex Adjustment Base Unit M Refer to Adjustment Base Unit 16 2 Handset Item Value Refer to Remarks TX Power More than 20 dBm 25 dBm Adjustment Handset I Modulation 340 kHz div 402 ...

Page 50: ...17 HOW TO CHECK THE HANDSET SPEAKER 1 Prepare the digital voltmeter and set the selector knob to ohm meter 2 Put the probes at the speaker terminals as shown below 50 ...

Page 51: ...18 FREQUENCY TABLE MHz 51 ...

Page 52: ...and Handset 19 BLOCK DIAGRAM BASE UNIT 20 CIRCUIT OPERATION BASE UNIT 20 1 Outline Base Unit consists of the following ICs as shown in BLOCK DIAGRAM BASE UNIT DECT BBIC Base Band IC IC2 Handling all the audio signal and data processing needed in a DECT base unit Controlling the DECT specific physical layer and radio section B urst Module Controller section ADPCM codec filter for speech encoding an...

Page 53: ... Charge Circuit Telephone Line Interface Circuit 20 2 Power Supply Circuit The power is supplied to the DECT BBIC RF Module EEPROM Relay Coil LED and Charge Contact from AC Adaptor 6V as shown in Fig 101 The power supply is as follows DECT BBIC IC2 J2 6V D4 Q9 D5 Q8 IC2 RF Module IC3 J2 6V D4 Q9 IC3 EEPROM IC1 J2 6V D4 Q9 D5 Q8 IC2 IC1 LED LED1 J2 6V D4 Q9 R68 LED1 Charge Contact TP84 J2 6V D4 R43...

Page 54: ...hone rings the signal is transferred as follows A C4 R2 R29 IC2 DLP BELL CLIP B C3 R1 R30 IC2 DLP BELL CLIP ON OFF hook circuit In the standby mode Q2 is open and connected as to cut the DC loop current and to cut the voice signal The unit is consequently in an off hook condition When IC2 detects a ring signal or press the TALK Key onto the handset Q3 turns on and then Q2 turns on thus providing a...

Page 55: ...adiated from antenna Handset detects the voice signal or data signal in the circuit same as the following explanation of Receiver Block 20 4 2 Receiver Block The signal of 19 2 MHz band 18 81792 MHz 18 97344 MHz which is input from antenna is input to IC3 as shown in BLOCK DIAGRAM BASE UNIT In IC3 the signal of 19 2 MHz band is downconverted to 864 kHz signal and demoduleted and goes to IC2 as GAP...

Page 56: ...CHARGE Handset L4 Q2 F1 BATTERY Battery BATTERY R21 GND L5 CHARGE Handset CHARGE Base GND DC GND When charging the handset on the Charger Unit the charge current is as follows DC 5 5V 6V D1 R1 R2 CHARGE Charger Unit CHARGE Handset F1 BATTERY Battery BATTERY R21 GND CHARGE Handset CHARGE Charger Unit GND DC GND In this way the BBIC on Handset detects the fact that the battery is charged The charge ...

Page 57: ...s level and starts flashing and battery alarm starts ringing Power Down Battery voltage V Batt 2 2V The BBIC detects this level and power down 23 CIRCUIT OPERATION CHARGER UNIT 23 1 Power Supply Circuit The power supply is as shown 24 SIGNAL ROUTE 57 ...

Page 58: ...25 CPU DATA BASE UNIT 25 1 IC2 BBIC 58 ...

Page 59: ...A I 18 XTAL A I 10 368 MHz 19 VDDLR A I 20 LRB A I 21 VDDA 22 VSSA 23 Audio_Out_N A O 24 Audio_Out_P A O 25 Bandgap_Ref A I 26 Differential_Line_P A I for Bell Clip 27 Differential_Line_N A I for Bell Clip 28 Audio_In_N A I 29 ADC_Ref A I 30 RSSI A I 31 AD2 MPCINP A I for Polarity 32 AD3 A I for Polarity 33 NO USE D I I_PU 34 NO USE D I I_PU 35 NO USE D I I_PU 36 NO USE D I I_PU 37 VDD 38 VSS 39 S...

Page 60: ...2 NO USE D I Fixed 53 VSS 54 VDD 55 KEY_IN D I No Key Key 56 NO USE D I O I_PD 57 NO USE D I O I_PD 58 NO USE D I O I_PD 59 NO USE D I O I_PD 60 NO USE D I O I_PD 61 HOOK_CTRL D O Make Break 62 NO USE D I O I_PD 63 ANT1 D O ANT1_ON ANT1_OFF 64 ANT2 D O ANT2_ON ANT2_OFF Note I_PU Internal Pull Up I_PD Internal Pull Down 26 CPU DATA HANDSET 26 1 IC1 BBIC 60 ...

Page 61: ...Active 15 SYCL D O Active 16 TX_DATA A O Active 17 KEY_IN D I No Key 18 KEY_IN D I No Key 19 KEY_IN D I No Key 20 KEY_IN D I No Key 21 KEY_IN D I No Key 22 NO USE D O 23 Reference clock D O Active 24 VDD 25 VSS 26 POWER_SW A I No Key 27 CHARGE_DET A I Charge 28 DCDCDRV D O Active 29 DCDCCMR A I 30 RESET A I Normal 31 VSSO 32 LOAD A I 33 XTAL A I 34 VDDPM A O 35 VDDLO A O 36 VDDBAT A I 37 VDDLR 38 ...

Page 62: ...Active 63 VDD 64 VSS 65 VDD for EEPROM D O 66 I2DAT D I O Active 67 I2CLK D I O Active 68 MODE D I 69 R2 D I 70 NO USE D O 71 VBACK P0 7 D I 72 LCD_SEGMENT D O Active 73 LCD_SEGMENT D O Active 74 LCD_SEGMENT D O Active 75 LCD_SEGMENT D O Active 76 LCD_SEGMENT D O Active 77 VDDLI 78 LCD_SEGMENT D O Active 79 LCD_SEGMENT D O Active 80 LCD_SEGMENT D O Active 81 LCD_SEGMENT D O Active 82 LCD_SEGMENT D...

Page 63: ...or storing volatile parameters All parameters are set up before the base leaves the factory Some of these are vital for the operation of the hardware so a set of default parameters is programmed before the actual hardware fine tuning can be initiated This document lists all default settings with a short description In the tables below values in a range that are similar are not repeated i e Address...

Page 64: ... S 3 x D Ipui for handset 3 If set to FF 5bytes the handset is not enrolled 003F 0043 FF FF IPUI_4 ID for H S 4 x D Ipui for handset 4 If set to FF 5bytes the handset is not enrolled 0044 0048 FF FF IPUI_5 ID for H S 5 x D Ipui for handset 5 If set to FF 5bytes the handset is not enrolled 0049 004D FF FF IPUI_6 ID for H S 6 x D Ipui for handset 6 If set to FF 5bytes the handset is not enrolled 004...

Page 65: ...in KAMMA4 and 21h Bit 7 5 Mode 001 group 4 Not used 3 0 Id 001 id of first group 27 3 3 Flash Time setting Address Default Name Country Setting Type Description 0F0B 08 CalibBreakTime 0 0A D Calibrated loop break time for short break Unit 10 ms defaultst to 80 ms 0F0C 14 CalibBreakTime 1 3C D Calibrated loop break time for short break Unit 10 ms defaultst to 200 ms 0F0D 46 CalibBreakTime 2 x D Cal...

Page 66: ...ish 1 enable 0 disable 3 Dutch 1 enable 0 disable 4 Canadian 1 enable 0 disable 5 Swedish 1 enable 0 disable 6 UserDefined 1 enable 0 disable 7 KPN vmwi 1 enable 0 disable 8 ProtocolPriority If 2 mutually exclusive parameters occurs the 1st in the protocol message has priority 1 enable 0 disable 9 UseCallType Verify the Call Type parameter available when receiving Call CLIP at busy subscriber 1 en...

Page 67: ...enabled 5 ARSIntDeletionMenuEnabled 6 ARSMultipleCarrierMenuEnabled enabled 7 ARSMultipleAreaCodeMenuEnabled enabled 0F4E 0F Config2 FF D BsUiTask configuration 2 Bits 1 enable 0 disable 0 RingerModeMenuEnabled enabled 1 CallRestrictionMenuEnabled 2 CancelHandsetMenuEnabled 3 BaseToneMenusEnabled enabled 4 7 Unused 28 EEPROM LAYOUT HANDSET 28 1 Scope The purpose of this section is to describe layo...

Page 68: ...o the Default value by the eeprom default A adjust The EEPROM location is set during the production test and should not be overwritten The value is set by the eeprom default loader only if the location contains 0xFF i e it has never been set EEPROM location which is not set at all 28 3 EEPROM contents 28 3 1 General Setup Address Default Name Type Description 0000 0001 00 EepromOscillator A Freque...

Page 69: ...5 ZAP_2 ZAP for registration 2 0146 STATUS_2 Status for registration 2 0147 0156 UAK_2 UAK for registration 2 0160 0164 RFPI_3 Base 3 RFPI for registration 3 0165 SerClass_3 Service class for registration 3 0166 LAL_3 Location area level for registration 0167 IPUI_LEN_3 IPUI length for registration 3 0168 0174 IPUI_3 IPUI for registration 3 0175 ZAP_3 ZAP for registration 3 0176 STATUS_3 status fo...

Page 70: ...guage 00 English 01 Spanish 02 French 03 Italian 04 Dutch 05 Turkish 06 Hungarian 07 Portuguese 08 Polish 09 Command 0A German 28 3 3 Battery Parameters Address Default Name Type Description 0F04 9A LowVoltage A Voltage on which to start battery low indication The voltage has to be measured under value for 8 seconds before the handset start signaling low battery LowVoltage eeprom ADC steps LowVolt...

Page 71: ...ceVolume x D Volume of the earpiece 28 3 5 VolumeSetting Second Block Address Default Name Country Setting Type Description 0F54 01 RecVolStoreEnabled 01 D 00 Reciever volume will be reset to value when hooking on 01 Reciever volume will be stored eeprom when set in conversation 29 HOW TO REPLACE FLAT PACKAGE IC 29 1 Preparation PbF Pb free Solder Soldering Iron Tip Temperature of 700 F 20 F 370 C...

Page 72: ...of the pins on the IC 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 29 3 Modification Procedure of Bridge 1 Add a small amount of solder to the bridged pins 2 With a hot iron use a sweeping motion along the flat part of the pin to draw the solder from betw...

Page 73: ...30 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 73 ...

Page 74: ...74 ...

Page 75: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 75 ...

Page 76: ...33 ACCESSORIES AND PACKING MATERIALS 76 ...

Page 77: ...33 1 KX TCD412NZM 33 2 KX A142NZM 77 ...

Page 78: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 78 ...

Page 79: ...he item will continue to be available for a specific period of time The retention period of availability is dependant on the type of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When...

Page 80: ...K 1000 M 1000k All capacitors are in MICRO FARADS F P F Type Wattage of Resistor 35 1 Base Unit 35 1 1 Cabinet and Electrical Parts Ref No Part No Part Name Description Remarks 1 PQGG10154W5 GRILLE ABS ABS 2 PQKM10586Z4 CABINET BODY PS HB 3 PQHR10962Z OPTIC CONDUCTIVE PARTS LED LENS 4 PQJT10203Z TERMINAL 5 PQKE10356Z1 GUIDE CHARGE TERMINAL CASE POM HB 6 PQSA10131Z ANTENNA MAIN 7 PQSA10132Z ANTENNA...

Page 81: ...R4D4R7K COIL L3 PQLQR2M33NK COIL JACKS J1 PQJJ1TB26Z JACK MODULATOR S J2 PQJJ1B4Y JACK DC RESISTORS R1 ERJ3GEYJ155 1 5M R2 ERJ3GEYJ155 1 5M R3 ERJ3GEYJ224 220K R4 ERJ3GEYJ184 180K R5 ERJ3GEYJ224 220K R6 ERJ3GEYJ184 180K R7 ERJ3GEYJ104 100K R8 ERJ3GEYJ272 2 7K R9 ERJ3GEYJ103 10K R10 ERJ3GEYJ222 2 2K R12 PQ4R18XJ000 0 S R16 ERJ3GEYJ133 13K R18 ERJ3GEYJ332 3 3K R19 ERJ12YJ220 22 R20 ERJ12YJ560 56 R21...

Page 82: ...2223KF 0 022 C4 ECQE2223KF 0 022 C11 ECUV1C273KBV 0 027 C12 PQCUV1C474KB 0 47 C13 PQCUV1A105KB 1 C14 PQCUV1C224KB 0 22 C15 ECEA1HKS100 10 S C16 PQCUV1H104KR 0 1 C17 ECUV1H333KBV 0 033 S C18 ECUV1H100DCV 10P C19 ECUV1H100DCV 10P C20 ECUV1C104KBV 0 1 C21 ECUV1H100DCV 10P C22 PQCUV1C224KB 0 22 C23 ECUV1C104KBV 0 1 C24 ECUV1C104KBV 0 1 C25 ECEA1CKS100 10 S C26 ECUV1C104KBV 0 1 C27 ECUV1C104KBV 0 1 C28...

Page 83: ...AS HB 102 PQKM10587W5 CABINET BODY for KX A141NZM ABS HB 102 PQKM10587V5 CABINET BODY for KX A142NZM ABS HB 103 PQHS10553Z TAPE DOUBLE SIDE 104 PQHS10554Z SPACER LCD 105 PQBC10375Z1 PUSH BUTTON NAVI 106 PQSX10224Q KEYBOARD SWITCH 20KEY 107 PQHS10467Z COVER SP NET 108 L0AD02A00016 SPEAKER 109 PQSA10133Z ANTENNA 110 PQJT10204Z TERMINAL L 111 PQJT10205Z TERMINAL R 112 PQHX11202Z INSULATOR 113 PQJC100...

Page 84: ...00035 DIODE SI D3 MA2Z74800L DIODE SI D4 MA83900ML DIODE SI D6 MA2Z74800L DIODE SI D7 MA2Z74800L DIODE SI COILS L2 G1A470L00001 COIL L3 PQLQR4D4R7K COIL L4 G1C100MA0072 COIL L5 G1C100MA0072 COIL F1 PQLQR2M5N6K COIL S RESISTORS R1 ERJ3GEYJ222 2 2K R2 ERJ8BQJR30 0 3 R3 ERJ3GEYJ560 56 R4 ERJ3GEYJ103 10K R5 ERJ3GEYJ331 330 R6 ERJ3GEYJ332 3 3K R7 ERJ3GEYJ331 330 R8 ERJ3GEYJ331 330 R11 ERJ3GEY0R00 0 R17...

Page 85: ...55 ECUV1H020CCV 2P C56 ECUV1H020CCV 2P C57 ECUV1H330JCV 33P C60 ECUV1A475KB 4 7 C62 ECUV1A105KBV 1 C63 ECUV1H100DCV 10P C64 ECUV1A105KBV 1 C65 ECUV1H020CCV 2P C66 ECUV1H020CCV 2P OTHERS MIC L0CBAB000052 MICROPHONE E102 PQWLA141E LCD ASS Y X1 H0D103500002 CRYSTAL OSCILLATOR 35 3 Charger Unit 35 3 1 Cabinet and Electrical Parts Ref No Part No Part Name Description Remarks 1 PQLV30018ZM1 HANDSET CHAR...

Page 86: ...W LEAFLET RECHARGE P1 PQPP10100Z PROTECTION COVER for Base Unit P2 PQPP10084Z PROTECTION COVER for Handset P3 PQPP10086Z PROTECTION COVER for Charger Unit P4 PQPK14000Z GIFT BOX P5 PQPD10563Z CUSHION 35 4 2 KX A142NZM Ref No Part No Part Name Description Remarks A1 PQLV200ALZ AC ADAPTOR A2 PQQX13708Z INSTRUCTION BOOK A3 PQQW12846W LEAFLET RECHARGE P1 PQPP10086Z PROTECTION COVER for Charger Unit P2...

Page 87: ... DIAGRAM CHARGER UNIT 39 CIRCUIT BOARD BASE UNIT 39 1 Component View 39 2 Flow Solder Side View 40 CIRCUIT BOARD HANDSET 40 1 Component View 40 2 Flow Solder Side View 41 CIRCUIT BOARD CHARGER UNIT 41 1 Component View 41 2 Flow Solder Side View I N KXTCD412NZM KXA141NZM KXA142NZM 87 ...

Page 88: ...1 A202 L1 R42 R41 R78 R79 Q9 C55 C53 C41 C43 C68 C48 C38 C27 C26 C29 C21 R57 C28 C12 C11 C9 C51 C22 C10 C1 C2 C63 D8 D1 D3 D7 L2 C4 C6 C7 C62 PbF C60 C49 C74 R82 R81 R85 C5 C8 C23 C24 X1 C34 C33 C35 C36 C30 C32 C37 C50 1 L3 C70 C57 C83 C85 C73 C71 C56 28 18 IC3 IC2 IC1 11 64 1 49 33 ANT C66 C72 C58 C54 DA1 C81 C87 C84 C82 C75 C86 C78 C69 C88 C67 C76 Bell LED BBIC 44 Q8 Collector 2 65V Bell BBIC 26...

Page 89: ...TP188 TP91 TP1 TP97 TP50 TP45 TP40 TP5 1 2 4 6 5 TP90 TP101 TP2 TP3 TP39 TP187 GND VBACK SCL SDA 2 65V TP82 TP84 CHARGE J105 J102 J104 J103 J101 CHARGE PbF RF Clock 10 368MHz CHARGE KX TCD412NZM CIRCUIT BOARD BASE UNIT Flow Solder Side View ...

Page 90: ...00 80 30 F1 50 5 8 4 1 1 R18 C27 TP18 C20 C23 C18 L5 L4 R21 R6 C24 X1 Q1 C31 TP19 TP13 TP17 TP14 TP16 TP12 TP3 TP4 TP10 BAT GND SCL SDA C57 C64 C56 C55 11 18 1 28 27 26 25 24 23 22 21 20 19 18 28 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 34 33 32 31 30 29 1 IC3 C60 TP2 SP BBIC 41 TP1 SP BBIC 42 TP14 4V RF Clock BBIC 23 10 368 MHz VDD 2 65V CDT BBIC 27 TP12 CN3 TP3 GND TP4 KX A141NZM 142NZM CIRCUIT B...

Page 91: ...KX A141NZM 142NZM CIRCUIT BOARD HANDSET Flow Solder Side View 1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 ...

Page 92: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...

Page 93: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...

Page 94: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...

Page 95: ...TP89 TP188 TP91 TP1 TP97 TP50 TP45 TP40 TP5 1 2 4 6 5 TP90 TP101 TP2 TP3 TP39 TP187 GND VBACK SCL SDA 2 65V TP82 TP84 CHARGE J105 J102 J104 J103 J101 CHARGE PbF Marked ...

Page 96: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...

Page 97: ...Marked 1 PROG PbF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 ...

Page 98: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...

Page 99: ...Clip Base PCB G N D S D A S C L 2 7V MODE SDA SCLK GND J104 J103 J102 J101 J100 ...

Page 100: ...ft Windows 2000 Version 5 00 2195 C Copyright 1985 2000 Microsoft Corp C cd dect C DECT DOSKEY C DECT SET RTX_COM 1 C DECT initbspin C DECT call wreeprom bat 00 25 00 C DECT call wreeprom bat 00 26 00 C DECT _ ...

Page 101: ...n the cabinet CHG terminal comes out of rib by pulling black lead wire when opening the cabinet and turning the PCB over The terminal cannot have enough elastic force cannot have good contact with handset and it will result in charge problem ...

Page 102: ...0 C25 Q8 Q6 B C E D2 C40 D4 SA1 C77 RLY1 C3 C15 LED1 R68 R35 4 1 5 8 R43 R44 R45 A201 A202 L1 R42 R41 R78 R79 Q9 C55 C53 C41 C43 C68 C48 C38 C27 C26 C29 C21 R57 C28 C12 C11 C9 C51 C22 C10 C1 C2 C63 D8 D1 D3 D7 L2 C4 C6 C7 C62 PbF C60 C49 C74 R82 R81 R85 C5 C8 C23 C24 X1 C34 C33 C35 C36 C30 C32 C37 C50 1 L3 C70 C57 C83 C85 C73 C71 C56 28 18 IC3 IC2 IC1 11 64 1 49 33 ANT C66 C72 C58 C54 DA1 C81 C87 ...

Page 103: ...P3 TP39 TP187 GND VBACK SCL SDA 2 65V TP82 TP84 CHARGE J105 J102 J104 J103 J101 CHARGE PbF Frequency Counter E Digital Volt Meter C P To PC JIG Digital Volt Meter Digital Volt Meter D E F G H N O A Digital Volt Meter B DTMF tester Tel Simulator G F O To DECT tester 12Ω 2W ...

Page 104: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...

Page 105: ... 100 80 30 F1 50 5 8 4 1 1 R18 C27 TP18 C20 C23 C18 L5 L4 R21 R6 C24 X1 Q1 C31 TP19 TP13 TP17 TP14 TP16 TP12 TP3 TP4 TP10 BAT GND SCL SDA C57 C64 C56 C55 11 18 1 28 IC3 C60 DECT tester CMD60 I J K L M N O P Frequency Counter H Digital Volt Meter A Digital Volt Meter B C E F H I O P DC 6V Oscilloscope Current Probe D E D D TP5 TP6 TP7 TP8 DC 2 20V 2 40V F G To PC JIG AF SG DECT TESTER CMD60 AF Volt...

Page 106: ...ter EEPROM IC1 SDA SCL SYRI RSSI SYEN RXDA TXDA J2 J1 IC3 4 0V Reg 2 65V Reg 4 0V 2 65V VUNREG 40 41 28 24 61 9 6 30 11 63 64 6 5 6 4 RF Module 20 30 10 33 CHARGE CONTACT 18 16 XTAL X1 10 368 MHz DTXAF DTXAF 27 26 Bell Caller ID Interface ANT1 ANT2 to Tel_Line A B to AC Adaptor Limit Register Bridge Rect D2 Hook Switch Q2 Q3 KX TCD412NZM BLOCK DIAGRAM BASE UNIT ...

Page 107: ... ANT BATTERY TERMINAL TP3 TP4 CHARGE CIRCUIT Q2 CHARGE CHARGE DETECT SWITCHED SUPPLY Q1 CHARGE CONTACTS TP5 4 0V VDDBAT VDDLR SWITCH 31 XTAL 10 368 MHz KEYPAD COLUMNS ROWS LCD 14 Seg Display ON SWITCH 38 27 26 36 37 28 2 5 9 COM 0 5 segment 0 29 1 87 EARPIECE 42 41 45 17 21 53 55 59 60 34 Burst Encoding Burst Decoding TP6 D3 X1 90 100 72 76 78 84 61 62 56 58 KX A141NZM 142NZM BLOCK DIAGRAM HANDSET...

Page 108: ... R8 SA1 100 R30 JMP1 N M JMP3 N M C5 N M C6 N M TP40 R3 220k K0 022 C4 R4 180k 1 5M R1 RLY1 NC N M 1 2 3 4 7 8 9 10 10K R9 K0 022 C3 100K R7 JMP4 N M TP5 33 R43 N M R45 TP84 33 R44 N M C7 4 0V LED1 R68 150 C60 N M Q11 N M N M R70 R71 N M R74 N M R73 N M C62 N M R72 N M L2 N M C63 N M R77 0 J2 1 2 DC_PLUG 5 6M R53 180k R54 K0 01 C49 180k R82 K0 01 C74 5 6M R81 Q10 NC C77 NC R85 TP3 TP101 N M JMP8 D...

Page 109: ...C14 K0 027 C11 56 R20 TP50 N M R11 Q6 13K R16 C10 N M N M R26 100K R21 R12 0 56 R23 K1 0 C13 N M R14 K0 1 C16 56 R32 K0 22 C22 R38 33 2 65V J101 1 J102 1 J103 1 R52 0 IC3 5 RSSI 6 VCC_OC 7 8 SYCL 9 SYDA 10 SYEN 11 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 24 PSEL 25 PAON 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 2 3 TXDA 4 NC ...

Page 110: ...C14 K0 027 C11 56 R20 TP50 N M R11 Q6 13K R16 C10 N M N M R26 100K R21 R12 0 56 R23 K1 0 C13 N M R14 K0 1 C16 56 R32 K0 22 C22 R38 33 2 65V J101 1 J102 1 J103 1 R52 0 IC3 5 RSSI 6 VCC_OC 7 8 SYCL 9 SYDA 10 SYEN 11 12 RXDSG 13 SYRI 14 GND 15 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 24 PSEL 25 PAON 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 2 3 TXDA 4 NC ...

Page 111: ... 28 C2 K4 7 R4 10K C3 K0 1 S11 S7 S20 S5 S3 S18 S25 S23 S15 S16 S4 S22 S21 S8 S9 C18 K0 1 C20 K0 1 C21 K0 1 C22 K0 1 C23 K0 1 C27 K0 1 R11 0 R21 0 1 F1 S24 S19 S14 S2 S1 CN2 1 C5 2 C4 3 C3 4 C2 5 C1 6 C0 7 S29 8 S28 9 S27 10 S26 11 S25 12 S24 13 S23 14 S22 15 S21 16 S20 17 S19 18 S18 19 S17 20 S16 21 S15 22 S14 23 S13 24 S12 25 S11 26 S10 27 S9 28 S8 29 S7 30 S6 31 S5 32 S4 33 S3 34 S2 35 S1 36 S0...

Page 112: ... K1 0 C60 K4 7 R22 0 C63 D10P C64 K1 0 X1 TP13 C55 C2P C56 C2P C54 D10P TP17 TP16 C65 C2P C25 NC D5 NC C66 C2P TP15 IC3 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PAON 25 GND 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 GND 2 GND 3 TXDA 4 CN5 1 SP 2 SP D6 D7 TP19 R24 0 POWER SP 40...

Page 113: ... K1 0 C60 K4 7 R22 0 C63 D10P C64 K1 0 X1 TP13 C55 C2P C56 C2P C54 D10P TP17 TP16 C65 C2P C25 NC D5 NC C66 C2P TP15 IC3 5 RSSI 6 VCC_OC 7 GND 8 SYCL 9 SYDA 10 SYEN 11 GND 12 RXDSG 13 SYRI 14 GND 16 GND 17 GND 18 GND 19 GND 20 RXDA 21 GND 22 GND 23 GND 24 PAON 25 GND 26 GND 27 VCC_PA 28 GND 29 GND 30 GND 31 GND 32 GND 33 RF1 34 GND GND 1 GND 2 GND 3 TXDA 4 CN5 1 SP 2 SP D6 D7 TP19 R24 0 POWER SP 40...

Page 114: ...TP3 R2 27 TP4 D1 2 1 J1 pinL DC_PLUG 22 Charge_minus TP1 TP2 R1 Charge_plus SCHEMATIC DIAGRAM CHARGER UNIT ...

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